2. Saturated steam at 300oC is used to heat a counter-currently flowing stream of methanol vapor from 65 C o to 260oC in an adiabatic heat exchanger. The flow rate of the methanol is 250 moles per minute, and the steam condenses and leaves the heat exchanger as liquid water at 90 C o. a. Draw the system and write the relevant form of the energy balance. Make a table to organize the information given and name any unknowns. b. Calculate the required flow rate of the entering steam in L/s. c. Calculate the rate of heat transfer from the water to the methanol (kW).
2. Saturated steam at 300oC is used to heat a counter-currently flowing stream of methanol vapor from 65 C o to 260oC in an adiabatic heat exchanger. The flow rate of the methanol is 250 moles per minute, and the steam condenses and leaves the heat exchanger as liquid water at 90 C o. a. Draw the system and write the relevant form of the energy balance. Make a table to organize the information given and name any unknowns. b. Calculate the required flow rate of the entering steam in L/s. c. Calculate the rate of heat transfer from the water to the methanol (kW).
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Question
2. Saturated steam at 300oC is used to heat a counter-currently flowing stream of methanol
vapor from 65 C o to 260oC in an adiabatic heat exchanger. The flow rate of the methanol is
250 moles per minute, and the steam condenses and leaves the heat exchanger as liquid water
at 90 C o.
a. Draw the system and write the relevant form of the energy balance. Make a table to
organize the information given and name any unknowns.
b. Calculate the required flow rate of the entering steam in L/s.
c. Calculate the rate of heat transfer from the water to the methanol (kW).
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